2721030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6977}}^1$

素因数の和:7000

約数の個数: 32

約数和(自身を含む): 7033824

約数和(自身を除く): 4312794

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 6977, 13954, 20931, 34885, 41862, 69770, 90701, 104655, 181402, 209310, 272103, 453505, 544206, 907010, 1360515, 2721030]

約数ペア:

[(1, 2721030), (2, 1360515), (3, 907010), (5, 544206), (6, 453505), (10, 272103), (13, 209310), (15, 181402), (26, 104655), (30, 90701), (39, 69770), (65, 41862), (78, 34885), (130, 20931), (195, 13954), (390, 6977)]